Asked by Jinxx

simplify (2√5+3√7)^2 step by step. please tell me how to do this
Answered by Scott
squaring a binomial ... use FOIL

(2√5)^2 + 2 * 2√5 * 3√7 + (3√7)^2

20 + 12√35 + 63 = 83 + 12√35